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To jackneer: verb.

- to thwart or otherwise impede something from happening. To screw something up or shit yourself while doing something important to you or someone else.
I thought giving the speech would go smoothly, but looking at Jim's stupid face and Rob's hardcorevibes just jackneered my grove.

Don't jackneer this Derren, I'm seconds away from cumming!
by dodfurlongdongs October 19, 2011
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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